General specifications Switching element function NPN NO Rated operating distance 10 mm Installation non-flush Output polarity DC Assured operating distance 0 ... 8.1 mm Reduction factor r Al 0.3 Reduction factor r Cu 0.2 Reduction factor r 304 0.6 Nominal ratings Operating voltage 10 ... 30 V DC Switching frequency 0 ... 500 Hz Hysteresis typ. 5% Reverse polarity protection reverse polarity protected Short-circuit protection pulsing Voltage drop less than or equal to 3 V Operating current 0 ... 150 mA Off-state current 0 ... 0.5 mA typ. 0.1 mA at 25 °C No-load supply current less than or equal to 15 mA Switching state indicator LED, yellow Functional safety related parameters MTTF d 3390 a Mission Time (T M ) 20 a Diagnostic Coverage (DC) 0 % Approvals and certificates UL approval cULus Listed, General Purpose, Class 2 Power Source CSA approval cCSAus Listed, General Purpose CCC approval CCC approval / marking not required for products rated less than or equal to 36 V Ambient conditions Ambient temperature -25 ... 70 °C (-13 ... 158 °F) Mechanical specifications Connection type cable PVC , 2 m Core cross-section 0.34 mm 2 Housing material PBT Sensing face PBT Degree of protection IP67